Question: Which chemical compound has the most explosive speed?
Paraphrase: Which chemical compound has the foremost hazardous speed?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q11173 . ?ent wdt:P2231 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: octanitrocubane, 4,4'-Dinitro-3,3'-diazenofuroxan, 1-diazidocarbamoyl-5-azidotetrazole, nitramine, 1,3,5-trinitrobenzene